Google Spreadsheets script that can help you manage the flow of Google Drive files that students share with you. Will create folders for you for as many course sections as you need.
Collection of online resources for learning Japanese from the Japan Foundation. Includes online courses in basic Japanese, learning hiragana and katakana scripts, discussion forums, and games.
Creates self-graded quizzes using javascript.
Limitations: Requires some web programming knowledge to use. Does not report the results to the instructor.